Eden Space

in other words Heap Memory.

According to forums: The pool from which memory is initially allocated for most objects, as i see a minor garbage collection


As programmer being, when you learn java programming, you start to find details in java.
Eden Space is one of the important spaces for Java. The others are two survivor spaces.
So when you are reading a book about Java Performance, it is the second thing that you learn :) of course it is Eden Space after you learn that what you dont know and what you want to know.